Port of Del Bonita, Montana
H28 Whetstone Intl
Whetstone Intl (H28) is a non-towered, public-use airport in Port of Del Bonita, Montana, at 4,336 ft MSL. Its runway is 07/25 (4,440 by 65 ft, turf). CTAF 122.8.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA H28
- Location
- Port of Del Bonita, Montana (Glacier County). 32 NM NW of the city center
- Elevation
- 4,336 ft MSL
- Position
- 49.0000° N, 112.7926° W
- Control tower
- No, non-towered
- Sectional chart
- Great Falls
- Magnetic variation
- 18° E (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 07/25 | 4,440 × 65 ft | Turf, fair condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 07 | Not stated | None listed | None listed | None listed | Not listed |
| 25 | Not stated | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.8
- UNICOM
- 122.8
- In Cust Ofc.
Before you go
Brief H28 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Whetstone Intl, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.